[Incidence, air pollution and risk factors of acute otitis media in the first year of life: a prospective study].
Journal article published in 2004 by
Cáceres Udina Mj,
Alvarez Martínez Ja,
J. Argente del Castillo,
Chumilla Valderas Ma,
E. Fernández Alvarez,
A. Garrido Romera,
F. Sánchez Gascón,
L. García Marcos 
